BeyondSpring documents two patent applications to broaden therapeutic scope of Plinabulin Patents to Cover Usage of Plinabulin to Treat Human brain Tumor and RAS+ Cancers BeyondSpring Pharmaceuticals, Inc sildenafil citrate generic walmart http://caverta.biz/generic-sildenafil-over-the-counter . Lan Huang, Chief and Co-founder Executive Officer of BeyondSpring. Furthermore, the patent pertains to several claims particular to ways of destroying mind tumor cells, including general treatment through administration of Plinabulin to individuals. The next patent, for approach to treating cancer connected with a RAS mutation, statements the usage of Plinabulin in treating individuals with cancers expressing a mutant type of KRAS or NRAS proteins.